GPS model lets you take calls and reply to texts from your wrist
Always-on Retina display has nearly 20% more screen area than Series 6, making everything easier to see and use
The most crack-resistant front crystal yet on an Apple Watch, IP6X dust resistance, and swimproof design
Measure your blood oxygen with a powerful sensor and app
Take an ECG anytime, anywhere
Get high and low heart rate, and irregular heart rhythm notifications
Track new tai chi and pilates workouts, in addition to favorites like running, yoga, swimming, and dance